Experts
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Links
Recommended resources
- Filatelia.fi – Details about expertizers of German Colonies
- German Colonies Collectors Group – Philatelic Society
- GermanStamps.net – Stamps of the German Colonies
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Literature
For further research
- German Forerunners. Albert Friedmann, The Stamps and Cancels of the German Colonies and the German Post Offices Abroad, pp.874,75. Two “Vorläufer“ with forged cancellation: German Philatelic Society Reference Manual of Forgeries, Vol. 10, “German Colonies“ (Samoa, “Vorlaufer“ with forged cancellation, “Seapost Vorlaufer“ with forged cancellation).
- 51-56. Overprinted German stamps, 1900. The Serrane Guide/ Stamp Forgeries of the World to 1926, p.303 (Yvert 36-41). For Fournier forgery of the basic stamp, see Germany, Design Types A9 and A10.
- Fraudulent cancellation, German dominion, 1900-15. The Encyclopedia of British Empire Postage Stamps 1661-1947, Vol. IV, p.522.
Bernhard Friedrich fraudulent postmarks: German Philatelic Society Reference Manual of Forgeries, Vol. 10, “German Colonies“, (Samoa Cancellations 1900-1909). - Genuine cancellations, 1914-1930’s . Albert Friedmann, The Stamps and Cancels of the German Colonies and the German Post Offices Abroad, pp.887-92. The Encyclopedia of British Empire Postage Stamps 1661-1947, Vol. IV, p.515.
- Pictures of overprints and postmarks: German Philatelic Society Expertizing Service, “Caveat Emptor”, The German Postal Specialist, Vol. 39 (December 1988): 413-16.
- Rudolph Thomas fraudulent postmarks: Paul Larsen, “‘Greasy Dick’ Fake Colonies and Offices, Vorläufer, No. 15 (April 1975: 3-10. Chas. S. Thompson, “German Colonial Postmark Fakes …”, Weekly Philatelic Gossip, Vol. 35 (December 12, 1942): 329-31; Anon. Note, Stamps (U.S.), Vol. 38 (January 17, 1942): 102,3.
- Forged postmarks: GPS Expertizing Service, “Caveat Emptor”, The German Postal Specialist, Vol. 36 (October 1985): 426,27.
- Dieter Bahrs forged postmarks: GPS Expertizing Committee, “Caveat Emptor – Still Another Forger Exposed”, The German Postal Specialist, Vol. 26 (March 1975): 90-92.
- Pictures of forged postmarks, including those of forerunners: Anon., “Forgeries – Warning of Early Colonial Postmarks from Johannesburg” (translated by O. Winter, from Berichte Kolonialbriefmarken sammler), The German Postal Specialist, Vol.17 (April 1966): 172-76.
- Forged overprints and cancellations by Dieter K. of Sittensen: Dr. Werner M. Bohne, “Caveat Emptor … 25 Million Marks in Forgeries? : A Special Report”, The German Postal Specialist, Vol. 33 (June 1982): 246-48.
False postmarks of various colonies made in Berlin (pictures reduced in size): Anon., “Another Forgery Establishment Put Out of Business”, Vorläufer, No. 14 (February 1975): 3,4. - Fournier fraudulent cancellations: Fritz Billig, Billig’s Philatelic Handbook, Vol. 7, p.156 and Vol.9, p.26.
- Atoll cancellations. Albert Friedmann, The Stamps and Cancels of the German Colonies and the German Post Offices Abroad, pp.861-64.
- Arrival postmarks. Required on letters until March 31, 1909 (except for a few months beginning “after 1873). Required on registered and special delivery mail until termination of postal service, except for the period April 1, 1909 to December 21, 1909. Albert Friedmann, The Stamps and Cancels of the German Colonies and the German Post Offices Abroad.
- Issued under British Dominion:
101-13. Kaiser Yacht stamps (small and large) of German Samoa overprinted “G.R.I.” by the British, 1914. Forged overprint: German Philatelic Society Reference Manual of Forgeries, Vol. 10, “German Colonies“ (Michel Samoa under British Occupation 1-9, Michel Samoa under British Occupation 10). Hialeah forgeries: Dirk H.R. Spennemann, “Postage stamps used in the German Marshall Islands: Hialeah Forgeries”. - Genuine and clandestine cancellations: The Encyclopedia of British Empire Postage Stamps 1661-1947, Vol. IV, pp.513,15.
- Genuine cancellations, 1914-1930’s. Albert Friedmann, The Stamps and Cancels of the German Colonies and the German Post Offices Abroad, pp.887-92. The Encyclopedia of British Empire Postage Stamps 1661-1947, Vol. IV, p.515.
- Four Madame Joseph fraudulent postmarks, 1 9 14 to 1940. Derek Worboys and Roger B. West, Madame Joseph Forged Postmarks, p.91.
Source: The Tedesco Index